(19)
(11) EP 1 461 307 A2

(12)

(88) Date of publication A3:
24.12.2003

(43) Date of publication:
29.09.2004 Bulletin 2004/40

(21) Application number: 03705676.9

(22) Date of filing: 07.01.2003
(51) International Patent Classification (IPC)7: C07C 229/00, C07C 233/00, C07D 209/20
(86) International application number:
PCT/US2003/000422
(87) International publication number:
WO 2003/057717 (17.07.2003 Gazette 2003/29)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 07.01.2002 US 346684 P

(71) Applicant: Abbott GmbH & Co. KG
65205 Wiesbaden (DE)

(72) Inventors:
  • BECHTEL, Siegfried
    68623 Lampertheim (DE)
  • RAULS, Matthias
    67117 Limburgerhof (DE)
  • VAN GELDER, Richard
    67346 Speyer (DE)
  • SIMPSON, Seth, C.
    East Stroudsburg, PA 18301 (US)

(74) Representative: Modiano, Guido, Dr.-Ing. et al
Modiano, Josif, Pisanty & Staub,Baaderstrasse 3
80469 München
80469 München (DE)

   


(54) CRYSTALLIZATION OF AMINO ACIDS USING ULTRASONIC AGITATION